plugin modules have 'name' field

frontend/apps/reader/pluginloader.lua

@@ -26,6 +26,7 @@ function PluginLoader:loadPlugins()
             package.path = package_path
             package.cpath = package_cpath
             if ok then
+                module.name = module.name or "unknownplugin"
                 module.path = path
                 table.insert(self.plugins, module)
             end

plugins/calibrecompanion.koplugin/main.lua

@@ -22,6 +22,7 @@ local dummy = require("ffi/zeromq_h")
     More details can be found at calibre/devices/smart_device_app/driver.py.
 --]]
 local CalibreCompanion = InputContainer:new{
+    name = "calibrecompanion",
     -- calibre companion local port
     port = 8134,
     -- calibre broadcast ports used to find calibre server

plugins/evernote.koplugin/main.lua

@@ -13,6 +13,7 @@ local slt2 = require('slt2')
 local MyClipping = require("clip")
 
 local EvernoteExporter = InputContainer:new{
+    name = "evernote",
     login_title = _("Login to Evernote"),
     notebook_name = _("Koreader Notes"),
     evernote_domain = nil,

plugins/zsync.koplugin/main.lua

@@ -28,6 +28,7 @@ int rmdir(const char *);
 
 local dummy = require("ffi/zeromq_h")
 local ZSync = InputContainer:new{
+    name = "zsync",
 }
 
 function ZSync:init()